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Kite's thoughts on hi-lo notation: Difference between revisions

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clarified note names
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* C major: x32010 = C E G C E = Cadd8hi3
* C major: x32010 = C E G C E = Cadd8hi3
* D major: x00232 = A D A D F# = Dhi3add8lo5
* D major: x00232 = A D A D F# = Dhi3add8lo5
* E major: 022100 = E B E G# B E = Eadd8loR5 or possibly Ehi3add8hi5hi8
* E major: 022100 = E B E G# B E = Eadd8loR5 or possibly Ehi3add8hi58
* G major: 320003 = G B D G B G = Gadd8hi3hi8 or possibly Glo5add8loR3
* G major: 320003 = G B D G B G = Gadd8hi38 or possibly Glo5add8loR3
* A major: 002220 = E A E A C# E = Ahi3add8hi5lo5
* A major: 002220 = E A E A C# E = Ahi3add8hi5lo5


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== Notating chord progressions ==
== Notating chord progressions ==
There are sometimes two possible names for a voicing, depending on what one considers the "home octave" to be. As we saw, C C E G can be either CaddloR or Chi35add8. This ambiguity can be removed by designating one note in a specific octave as "the" tonic, then naming all other notes relative to that tonic. For example, if C2 is the tonic, A1 is loA, A2 is simply A, and A3 is hiA.
There are sometimes two possible names for a voicing, depending on what one considers the "home octave" to be. As we saw, C C E G can be either CaddloR or Chi35add8. This ambiguity can be removed by designating one note in a specific octave as "the" tonic, then naming all other notes relative to that tonic. Unlike [[wikipedia:Scientific_pitch_notation|octave numbers]] which only increase when going from B up to C, the hi-lo categories only change in the region of the tonic. This has the advantage that transposing to a new key won't change the hi-lo categories.
 
{| class="wikitable"
This lets us write out chord progressions as e.g. Cadd8 - loAmhi3add8 - Dm7 - loG7hi3. The entire 4-part harmony can be deduced note-for-note from this. Here are the notes, where the lower octave uses underlined letters and the upper octave uses lower-case letters:
|+G major scale in both scientific pitch notation and hi-lo notation
!SPN names
|D2
|E2
|F#2
|G2
|A2
|B2
|C3
|D3
|E3
|F#3
|G3
|A3
|B3
|-
!hi-lo names
|loD
|loE
|loF#
|G
|A
|B
|C
|D
|E
|F#
|hiG
|hiA
|hiB
|}
Chord progressions can be written out as e.g. Cadd8 - loAmhi3add8 - Dm7 - loG7hi3. The entire 4-part harmony can be deduced note-for-note from this. Here are the notes, where the lower octave uses underlined letters and the upper octave uses lower-case letters:


* C E G c
* C E G c
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